2023 BMW 430i Convertible MPG
EPA-rated · verified snapshot 2026-08-30 · Subcompact Cars
The 2023 BMW 430i Convertible gets 28 MPG combined — 25 city and 34 highway — in its most efficient configuration (2.0L · 4-cyl · Automatic (S8) · Rear-Wheel Drive).
City25 MPG
Highway34 MPG
$2,700Fuel cost / yr (EPA est.)
313 g/miCO₂
PremiumFuel
$-2,5005-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
9 ft³Cargo volume
84 ft³Passenger volume
Where it sits among compact cars (2023)
FAQ
Is 28 MPG good for a compact cars like the 2023 430i Convertible?
The 2023 430i Convertible's 28 MPG combined is below the compact cars average of 29.7 MPG for 2023.
How much does it cost to fuel a 2023 430i Convertible per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,700 for the most efficient trim.
What is the city and highway MPG of the 2023 430i Convertible?
The most efficient trim is rated 25 MPG city and 34 MPG highway.